:Product: 19980412RSGA.txt
:Issued: 1998 Apr 12 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
#
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY
SDF NUMBER 102 ISSUED AT 2200Z ON 12 APR 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  11/2100Z
TO 12/2100Z:  SOLAR ACTIVITY WAS VERY LOW. NO FLARES OCCURRED. ALL 7
ACTIVE REGIONS CURRENTLY ON THE VISIBLE DISK HAVE BEEN QUIET AND
UNREMARKABLE DURING THE PAST 24 HOURS.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW, WITH THE CONTINUED CHANCE FOR SMALL C-CLASS ACTIVITY.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 11/2100Z TO 12/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO UNSETTLED FOR THE PAST 24
HOURS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III.  EVENT PROBABILITIES 13 APR-15 APR
CLASS M    05/05/05
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           12 APR 117
PREDICTED   13 APR-15 APR  115/113/112
90 DAY MEAN        12 APR 103
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 11 APR  008/012
ESTIMATED AFR/AP 12 APR  009/013
PREDICTED AFR/AP 13 APR-15 APR  010/010-010/008-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 13 APR-15 APR
A.  MIDDLE LATITUDES
ACTIVE                15/15/15
MINOR STORM           10/10/10
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/15/15
MINOR STORM           10/10/10
MAJOR-SEVERE STORM    01/01/01